115 results about "Seamless handoff" patented technology

An auditory operating system designed to facilitate context-aware, audio-based user interactions, particularly with artificial intelligence agents or applications. An auditory operating system shell serves as the primary interface, managing and coordinating multiple specialized agents that handle specific domains like music streaming, scheduling, or home automation. Using natural language processing, the auditory operating system shell identifies the appropriate agent or application for a user's command or query and ensures task execution and context preservation across interactions. The auditory operating system shell enforces privacy and stability by controlling agents' and applications' access to data and system privileges. The auditory operating system shell also supports dynamic context management, enabling seamless handoffs between agents when user requests span multiple domains. This auditory operating system shell may reduce the need for users to memorize specific wake words or commands, as the auditory operating system shell may determine the user's intent from speech or contextual cues.

The invention provides a communication module low-delay switching control method based on HPLC and HRF, and relates to the technical field of data processing, and the method comprises the following steps: when an index continuously exceeds a dynamically adjusted judgment threshold, a switching judgment unit generates a mode switching enable signal, and initializes an HRF channel pre-synchronization sequence; based on a pre-stored HRF channel feature vector table, HRF channel negotiation and authentication handshake processes are executed in parallel while HPLC link state monitoring is maintained; through a dual-channel redundancy transmission mechanism, the key fault information is packaged into a final priority protocol data unit before the establishment of the HRF link is not completed, and redundancy forwarding is carried out through a reserved time slot window of the HPLC link; and after the handshake of the HRF link is completed, the switching control unit executes seamless switching of the data transmission channel. According to the invention, the accuracy of channel state judgment is improved.

The invention discloses a seamless switching method and system for a high-speed terminal of a ground-non-ground convergence network based on trajectory prediction and resource pre-reservation, and belongs to the technical field of space-ground convergence communication. The core of the method is that a switching area is accurately judged through bidirectional motion prediction of a terminal and an NTN node; a dynamic switching window is calculated in a self-adaptive mode by combining factors such as terminal speed and network time delay; intelligently selecting an optimal target link by using an AI enabled link scoring model; and cooperative pre-reservation and uplink and downlink synchronization of resources are completed before the window. The method has the advantages that the problem of failure of traditional RSRP judgment in an NTN dynamic environment is solved, the switching success rate and prediction accuracy in a high-speed moving scene are remarkably improved, the service interruption time and signaling overhead are greatly reduced, the continuity and reliability of communication are effectively guaranteed, and the method is suitable for large-scale popularization and application. The method is suitable for high-dynamic service scenes such as intelligent network connection vehicles and unmanned aerial vehicles in a 6G network.

The invention discloses an indoor wireless coverage distribution system, relates to the technical field of communication, and solves the problems that the overall indoor communication smoothness cannot be ensured and seamless switching between wireless networks cannot be completed due to the condition that the signal intensity of a part of regions is too high or too low. The wireless coverage distribution system comprises a wireless multi-system access platform, a signal quality evaluation module, a user track prediction module, a channel resource configuration module, an antenna network module and a plurality of indoor communication base stations. And through a channel resource configuration module, calculating comprehensive evaluation values of all base station access points related to the predicted advancing track according to the predicted advancing track, and setting the base station access point with the highest comprehensive evaluation value as an optimal base station access point to which a user prepares to switch. Channel resources are allocated to the corresponding optimal base station access point in advance after the user enters the set range; according to the invention, seamless switching between wireless networks can be completed according to the expected action track of the user, channel resource reservation is carried out in advance, and continuity and stability of network connection are ensured.

The invention discloses a cross-domain authentication bridging method and system oriented to industrial Internet of Things interconnection, and belongs to the technical field of Internet of Things security, and the method comprises the steps of system initialization, cross-domain bridging, certificate verification, key exchange and secure communication, dynamic certificate updating and management and the like. According to the method, technical means such as ChaCha20, Poly1305, BLAKE2s, Ed25519, an elliptic curve Diffie-Hellman and the like are comprehensively utilized, a Bloom filter and a Merkle tree are utilized to realize incremental updating and rapid verification of a revoked list, and dynamic key generation and seamless switching are completed through domain division management. Therefore, the system has the characteristics of low time delay, high safety and fault tolerance, is suitable for large-scale industrial scenes, can remarkably reduce the bandwidth and calculation overhead, improves the equipment interconnection efficiency, enhances the safety, and is suitable for industrial field multi-domain collaboration.

The invention relates to the technical field of satellite conduction integration, and discloses a high and low orbit satellite conduction integration method and system, and the method comprises the steps: carrying out the spatial characteristic analysis of a high orbit navigation satellite signal and a low orbit communication satellite signal, and obtaining visible relation data and Doppler frequency shift characteristic data; executing high-orbit and low-orbit satellite conduction switching analysis, and generating a self-adaptive threshold parameter of conduction service switching between the high-orbit and low-orbit satellites; a high-orbit and low-orbit integrated inter-satellite communication network is established between the high-orbit navigation satellite cluster and the low-orbit communication satellite cluster; conducting resource collaborative allocation is executed, and a resource scheduling instruction is generated; according to the method, deep integration of communication and navigation functions is realized, the limitation of function separation of a traditional satellite system is broken through, and the problem of unstable control caused by dynamic change of network topology of the high-orbit and low-orbit satellites is solved.

The invention provides a TTT-based switching method and device, a communication system and a storage medium. The method can be applied to the technical field of wireless communication. In the scheme, the terminal equipment can obtain the moving speed measured by the L1 layer and the adjacent region load and the business service quality requirement measured by the L3 layer, and reports the data to the source base station, so that the source base station can dynamically adjust the TTT according to the data, and the network adaptability is improved. For example, in a high-speed moving scene, the switching delay is reduced by shortening the TTT; when the load is low, the TTT is prolonged, so that the signaling overhead can be reduced, and resource waste caused by static configuration is avoided. Besides, the terminal equipment can predict future resource requirements based on historical data and trigger the target base station to perform dynamic resource pre-allocation on the terminal equipment in advance, so that the reserved resource access cell is directly used, the traditional random access process is skipped, the negotiation time during switching is reduced, and seamless switching is realized.

The invention discloses an emergency talkback method with a wide-band and narrow-band simultaneous voice access capability. The method comprises the following steps: establishing communication by using a multimode emergency interphone with a broadband system and a narrowband system in an emergency communication scene, and sending a voice packet carrying a sequence mark on two networks according to a voice frame length of 60ms; the core network carries out voice frame alignment through a sequence mark, carries out completeness comparison on voice packets transmitted by the narrowband network and the broadband network within a buffer time of 300ms, regenerates a section of complete voice, converts the voice into a broadband format and a narrowband format, and issues the voice to the broadband network and the narrowband network; the voice is interrupted only under the condition that the transmission cannot be carried out by the two networks, otherwise, the voice playing is continuous. By the adoption of the method, when a single mode is disturbed, seamless switching is conducted, voice of another network is issued, the voice is not lost or duplicated, and manual switching of a user is not needed.

The invention discloses a vehicle-mounted communication link seamless switching method and device, equipment and a storage medium, and the method comprises the steps: carrying out the initialization of communication links of each vehicle-mounted business service, and enabling the communication links to be in a mutual backup relation; periodically collecting state information of each communication link through a heartbeat packet mode, and determining a priority score of each communication link based on the state information; and when the communication link with the fault is detected, determining a to-be-transmitted service data type, and selecting a target communication link for seamless switching based on a data transmission strategy corresponding to the to-be-transmitted service data type and the priority score of each communication link without the fault. According to the invention, the priority score of each communication link is periodically determined through a heartbeat packet mode, and the dynamic adjustment of the priority of the communication link is realized based on the data transmission strategy corresponding to the type of the service data to be transmitted and the priority score of each communication link without fault, so that the efficiency and stability of vehicle-mounted communication are ensured.

The invention provides a data transmission method and device, a request end, a response end and a storage medium, and the method comprises the steps: transmitting an RDMA connection request to the response end, and creating a main QP and a standby QP; establishing an RDMA connection with the response end based on the main QP, and synchronizing information of the main QP to the standby QP; in response to the fact that the main QP is detected to be abnormal, performing state switching on the main QP and the standby QP; generating a switching notification message based on the configuration information of the standby QP, and sending the switching notification message to a response end; and receiving confirmation information sent by the response end, and performing data transmission with the response end based on the standby QP. According to the embodiment of the invention, when the RDMA connection is established, the main QP and the standby QP are created at the same time, and when the main QP is abnormal, the standby QP is seamlessly switched to carry out data transmission, so that the connection fault recovery time is shortened, and the reliability of the RDMA connection is enhanced.

The invention provides an air-space-ground integrated network switching method, device and equipment and a storage medium, and relates to the technical field of communication, and the air-space-ground integrated network switching method comprises the steps: obtaining the movement track information of mobile equipment, the moving track information comprises the current position of the mobile equipment and the position of the mobile equipment within a first preset duration after the current time; acquiring first network state information of the air-space-ground integrated network, wherein the first network state information comprises current network state information of the air-space-ground integrated network and network state information of the air-space-ground integrated network within a first preset duration after the current time; and according to the moving track information and the first network state information, switching a connection network of the mobile equipment from the first regional network to a second regional network in a moving process of the mobile equipment. According to the invention, the seamless switching technology of the space-air-ground integrated network can be realized, and rapid and stable switching among different networks can be realized.

Disclosed are systems and methods for optimizing wireless network topology are disclosed, particularly for use in complex environments, such as Multi-Dwelling Units (MDUs). The disclosed framework provides uninterrupted wireless connectivity and an enhanced user experience by dynamically managing network connections and executing seamless handoffs between APs. The framework manages connections to wireless access points (APs) based on the physical layout of the environment and / or user behavior. The framework effectuates receiving data on the network's physical structure and AP locations, tracking client device movement, and predicting the client device's path to proactively manage network resources. The framework can reserve resources at APs along the predicted path and establish a virtual tunnel to facilitate seamless handoff between APs as the client device moves. Adjustments to the network resources and virtual tunnel are made in response to changes in the client device's movement, which includes skipping APs in some embodiments.

The invention discloses a seamless switching method for enhancing stable operation under a micro-grid main network fault, and relates to the technical field of micro-grid management, and the method comprises the steps: obtaining the voltage, current, frequency and phase of each node of a micro-grid, judging the operation state of a main power grid through combined collection, and obtaining the electrical parameter information of a plurality of set position monitoring devices at the same time; 2, aligning the electrical parameters obtained in the step 1 according to a unified time reference, judging the response time difference of each monitoring device to a fault event, and selecting a node where the monitoring device is located as a main control node according to a preset rule; and the main control node sends a control instruction to the auxiliary control node, and the auxiliary control node is switched to an auxiliary control state according to a preset priority after receiving the control instruction. According to the invention, rapid and stable switching of a micro-grid control structure can be realized under the condition that a main power grid has a fault, and the output consistency of each control node is ensured through coordinated adjustment of voltage, frequency and active power, so that the continuity and stability of system operation are maintained.

The invention discloses a virtual cell switching method and device and electronic equipment, and the method comprises the steps: constructing a virtual cell continuous coverage wave beam moving along with a train based on a plurality of groups of IRSs deployed on a road; and switching the virtual cell based on the continuous coverage beam of the virtual cell and a double-layer switching trigger mechanism. Through the technical scheme provided by the embodiment of the invention, seamless switching of high-speed rail communication is realized, so that the switching success rate of the virtual cell is improved.

The invention discloses a voice assistant interaction method and system, the system comprises an end side device layer, a cloud service layer and a communication interaction layer, the end side device layer comprises at least two terminal devices, and each terminal device is provided with a multi-mode sensor. According to the invention, single-mode noise interference is compensated through multi-mode data fusion, which is significantly superior to the existing voice assistant; a personalized strategy is generated based on a triple of intention, emotion and equipment, so that the interaction experience is improved; local priority synchronization is realized by adopting a double-layer MQTTBroker architecture, the state synchronization delay of cross-network segment equipment is reduced, multi-equipment collaboration is supported, and seamless switching among equipment is realized.

The invention provides a star network and cellular network cooperative communication and predictive seamless switching system and method. The method comprises the steps that S1, a dynamic environment database is loaded, and a star network and cellular network communication module is self-checked; s2, continuously collecting state parameters of a star network communication link and a cellular network communication link; calculating a double-link quality prediction curve in a period of time in the future; s3, if the double-link quality prediction curve obtained through calculation meets a preset switching condition, generating a switching instruction; and S4, receiving a switching instruction, copying the data packet with the highest priority in the switching time window, sending the data packet on the two links at the same time, and switching the data packets with the other priorities to a target link. By converting a switching mechanism into active prediction from passive response, the method can avoid communication interruption caused by predictable events such as satellite shielding and entering a honeycomb blind area in advance, fundamentally guarantees continuity of formation control, and has extremely high communication reliability.

Embodiments of the present disclosure relate to seamless handover of protocol data unit sessions. A device may receive a handover request to handover a protocol data unit (PDU) session of a network device from a radio access network (RAN) to the device, and may provide a handover request acknowledgement message to the RAN that acknowledges receipt of the handover request. The device may receive, from the RAN, a sequence number status transmission indicating that a handover command is provided by the RAN to the network device, and may receive, from the RAN, an uplink data packet and a downlink data packet associated with the PDU session. The device may receive a request from a network device to establish a PDU session, and may establish the PDU session for the network device based on the request to establish the PDU session.

The invention provides an interface seamless switching method and system based on the Callable technology, electronic equipment and a storage medium, and aims to solve the problem of security risk existing in interface switching The method comprises the following steps: carrying out Apoll configuration to obtain preset strategy group configuration information; when the application end interface is called, whether an old interface or a new interface is adopted is determined according to preset strategy group configuration information; if the interface is an old interface, a request for the old interface is initiated, a response message is obtained, if the interface is a new interface, calling of a callable method is triggered, and the response message returned by the new interface is converted into a data format conforming to the old interface; and sending the obtained response message to the MQ, so that an MQ consumer selects another interface opposite to the interface of the original request to initiate a request according to message information, obtains message contents, compares the two message contents, and judges whether the data has a difference or not. According to the invention, the safety and stability of interface switching can be ensured.

Disclosed are systems and methods for optimizing wireless network topology are disclosed, particularly for use in complex environments, such as Multi-Dwelling Units (MDUs). The disclosed framework provides uninterrupted wireless connectivity and an enhanced user experience by dynamically managing network connections and executing seamless handoffs between APs. The framework manages connections to wireless access points (APs) based on the physical layout of the environment and / or user behavior. The framework effectuates receiving data on the network's physical structure and AP locations, tracking client device movement, and predicting the client device's path to proactively manage network resources. The framework can reserve resources at APs along the predicted path and establish a virtual tunnel to facilitate seamless handoff between APs as the client device moves. Adjustments to the network resources and virtual tunnel are made in response to changes in the client device's movement, which includes skipping APs in some embodiments.

Disclosed in some examples are methods, systems, and machine-readable medium that enable a seamless handoff of authentication states between an application of a first service (e.g., a web-application) and a component of the first service that invokes a function within the second application (e.g., such as bots or agents of the first service executing within collaborative platforms of a second service). This may be accomplished through the use of a link that encodes a nonce.

The application discloses a ground-non-ground fusion network high-speed terminal seamless switching method and system based on trajectory prediction and resource reservation, and belongs to the technical field of space-ground integrated communication. The core of the method is: through bidirectional motion prediction of the terminal and the NTN node, the switching area is accurately judged; the terminal speed, network delay and other factors are combined to adaptively calculate the dynamic switching window; the AI-enabled link scoring model is used to intelligently select the optimal target link; and the resource is cooperatively pre-reserved and uplink and downlink synchronization is completed before the window. The application has the beneficial effects that: the failure problem of traditional RSRP judgment in the NTN dynamic environment is overcome, the switching success rate and prediction accuracy in the high-speed mobile scene are significantly improved, the service interruption time and signaling overhead are greatly reduced, the continuity and reliability of communication are effectively guaranteed, and the application is suitable for intelligent networked vehicles, unmanned aerial vehicles and other high-dynamic service scenarios in 6G networks.

The application relates to the technical field of wireless communication networks, and discloses a seamless switching method for a hybrid communication network for automatic driving, which comprises the following steps: a network function of a core network receives planning track information of an automatic driving terminal and continuously gathers a plurality of terminal conventional wireless measurement reports in a network; in response to the planning track, instant statistics are performed on the gathered reports to generate dynamic wireless live data representing a current optimal service cell mapping relationship; the planning track is projected to the dynamic wireless live data to calculate a certain switching point and a target cell; wireless resources are reserved in the target cell in advance according to an instruction; when the automatic driving terminal reaches the certain switching point, the automatic driving terminal is triggered to perform instantaneous switching without resource negotiation by using the reserved wireless resources; the application changes the switching management from passive response to active pre-service, generates a dynamic decision basis by using group real-time measurement data, eliminates resource negotiation delay, and guarantees the continuity of automatic driving communication.

The invention relates to the technical field of industrial Internet of Things communication, in particular to an AUTBUS node device and system with a CN-TN main and standby redundancy function. The device comprises a device main framework, a main CN module, a standby CN module, a high-speed internal communication bus and a local redundancy management module, the main CN module and the standby CN module are independent pluggable hardware units, and the main CN module synchronizes core state data to the standby CN module through a high-speed internal communication bus; the local redundancy management module is integrated on the device main framework, is logically independent of an AUTBUS bus protocol stack, and is used for monitoring an internal fault of the main CN module and triggering a local takeover process when monitoring that the main CN module has the internal fault; according to the method and the device, rapid seamless switching is realized on the premise of not triggering network-level re-election, so that the reliability of the AUTBUS node device is improved, and the continuity and the certainty of the time sensitive characteristic of the AUTBUS system are guaranteed.

Disclosed are systems and methods that provide a computerized network management framework that provides novel network functionality for devices connected to and / or operating in proximity to WiFi and non-WiFi networks. The framework provides functionality for all types of network traffic to be handled properly and handed over between two networks seamlessly with minimal interruptions. The disclosed framework operates to transition a device's connection to a non-WiFi network (e.g.., cellular network) from a WiFi network, and vice versa. Such performance of such functionality can correspond to, but is not limited to, network characteristics, parameters and / or attributes, network health, and the like, as well as geospatial positioning of the device, inclusive of the device's movement, which can be in relation to an access point or gateway for a network.

Disclosed are methods and devices for facilitating the seamless handover of Bluetooth communications of a Bluetooth accessory device from a first Bluetooth host to a second Bluetooth host. A first host identifier uniquely identifies the first Bluetooth host for its Bluetooth communications, and a second host identifier uniquely identifies the second Bluetooth host for its Bluetooth communications. The host identifiers are stored in the Bluetooth accessory device, and they are provided to an application on the mobile device that allows a user to select either the first or the second host as the selected host for the Bluetooth accessory device, without having to re-pair the host device to the accessory device. Because re-pairing is not necessary, the user can quickly and seamlessly switch the Bluetooth accessory's communications among multiple different host devices.

A controller method comprises receiving a first message from a peripheral device operating in a receive-and-transmit mode for data communication over a wireless link with a central device; sending a second message to one or more other peripheral devices, the second message containing a command to synchronize with the wireless link in a receive-only mode; and, at least in part in response to the identification of a transfer condition, sending a third message to one or more other peripheral devices, the third message containing a command to switch to receive-and-transmit mode for data communication over the wireless link with the central device.

The application discloses a seamless switching method for enhanced stable operation under micro-grid main grid fault, and relates to the technical field of micro-grid management, which comprises the following steps: acquiring the voltage, current, frequency and phase of each node of the micro-grid, judging the operation state of the main grid through joint collection, and simultaneously acquiring the electrical parameter information of a plurality of set position monitoring devices; aligning the electrical parameters acquired in the first step according to a unified time reference benchmark, judging the response time difference of each monitoring device to the fault event, and selecting the node where the monitoring device is located as the main control node according to a preset rule; the main control node sends a control instruction to the auxiliary control node, and the auxiliary control node switches to the auxiliary control state according to a preset priority after receiving the control instruction. The application can realize the fast and stable switching of the micro-grid control structure under the main grid fault, and can ensure the consistency of the output of each control node through the coordinated regulation of the voltage, frequency and active power, so that the continuity and stability of the system operation are maintained.

The invention discloses a working method and device of a wireless network system, electronic equipment and a medium, and relates to the technical field of wireless networks. The method comprises the following steps: sending a broadcast packet at a Mode 1, wherein the broadcast packet comprises an available channel ID; receiving a connection request sent by the master device to be connected after the master device scans the broadcast packet at the Mode 1; the connection request comprises a target channel ID determined by the to-be-connected main equipment in the available channel IDs; according to the connection request, establishing a connection with a corresponding to-be-connected master device, and performing data interaction with the to-be-connected master device in a target channel corresponding to the target channel ID of the Mode 0; and when the network master device is offline, determining a target master device in all the to-be-connected master devices, and enabling the target master device to serve as a new network master device to perform connection and data interaction with other to-be-connected master devices. According to the method, the network master device can be seamlessly switched, data interaction is carried out through a specific time sequence, and the transmission delay can be reduced.

The invention relates to the technical field of network communication, in particular to a wireless communication system and method of a tablet computer. The method comprises the following steps: when the tablet computer detects available wireless networks, acquiring information such as signal strength and response delay of each network and calculating a connection priority; then lightweight link detection is executed in a background low-load state, and network availability and continuity are evaluated; when it is detected that a current network signal fluctuates and a target network is better, the system generates a switching preparation instruction and caches session state data in the background; and finally, after switching triggering, session recovery and link synchronization are completed according to the cached data, and seamless network switching and stable communication are realized. Intelligent and stable connection is achieved through multi-network priority evaluation and lightweight link detection, communication continuity is guaranteed in combination with background session caching and a seamless switching mechanism, and therefore the wireless connection stability and user experience of the tablet personal computer are remarkably improved in a complex network environment.